<template>

  <a-layout>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >

      <p>
        <a-form layout="inline" :model="param">
          <a-form-item>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="handleQuery()">
              查询
            </a-button>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="add()">
              新增
            </a-button>
          </a-form-item>
        </a-form>

      </p>

      <a-table
          :columns="columns"
          :row-key="record => record.id"
          :data-source="level1"
          :loading="loading"
          :pagination="false"
      >

        <template #cover="{ text: cover }">
          <img v-if="cover" :src="cover" alt="avatar" />
        </template>

        <template v-slot:action="{  text,record }">
          <a-space size="small">
            <a-button type="primary" @click="edit(record)">
              编辑
            </a-button>
            <a-popconfirm
                title="你真的要删掉我嘛/(ㄒoㄒ)/~~"
                ok-text="绝情一删"
                cancel-text="我再想想"
                @confirm="handleDelete(record.id)"
            >
              <a-button type="danger">
                删除
              </a-button>
            </a-popconfirm>
          </a-space>
        </template>
      </a-table>
    </a-layout-content>
  </a-layout>

  <a-modal
      title="分类表单"
      v-model:visible="modalVisible"
      :confirm-loading="modalLoading"
      @ok="handleModalOK"
  >
    <a-form :model="category" :label-col="{span : 6}">
      <a-form-item label="名称">
        <a-input v-model:value="category.name" />
      </a-form-item>
      <a-form-item label="父分类">
        <a-select
            v-model:value="category.parent"
            ref="select"
        >
          <a-select-option value="0">
            无
          </a-select-option>
          <a-select-option v-for="c in level1" :key="c.id" :value="c.id" :disabled="category.id === c.id">
            {{ c.name }}
          </a-select-option>
        </a-select>
      </a-form-item>
      <a-form-item label="顺序">
        <a-input v-model:value="category.sort" />
      </a-form-item>
    </a-form>
  </a-modal>

</template>

<script lang="ts">
import { defineComponent, onMounted, ref } from 'vue';
import axios from 'axios';
import { message } from 'ant-design-vue';
import {Tool} from "../../../util/tool";


export default defineComponent({
  name: 'AdminCategory',
  setup() {
    const param = ref();
    param.value = {};
    const categorys = ref();
    const loading = ref(false);

    const columns = [
      {
        title: '名称',
        dataIndex: 'name'
      },
      {
        title: '父分类',
        key: 'parent',
        dataIndex: 'parent'
      },
      {
        title: '顺序',
        dataIndex: 'sort'
      },
      {
        title: 'Action',
        key:'action',
        slots: { customRender: 'action'}
      }
    ];

    /*
    * 一级分类树，children属性就是二级分类
    * [{
    *   id: " ",
    *   name:" ",
    *   children: [{
    *      id: " ",
    *      name: " ",
    *    }]
    * }]
    * */
  const level1 = ref();//一级分类树，children属性就是二级分类

    /**
     * 数据查询
     **/
    const handleQuery = () => {
      loading.value = true;
      // 如果不清空现有数据，则编辑保存重新加载数据后，再点编辑，则列表显示的还是编辑前的数据
      level1.value = [];
      axios.get("/Category/all").then((response) => {
        loading.value = false;
        const data = response.data;
        if(data.success){
          categorys.value = data.content;
          console.log("原始数组：",categorys.value);

          level1.value = [];
          level1.value = Tool.array2Tree(categorys.value, 0);
          console.log("树形结构：", level1);
        }else{
          message.error(data.message);
        }
      });
    };


    //----------------------表单------------------------
    const category = ref({});
    const modalVisible = ref(false);
    const modalLoading = ref(false);
    const handleModalOK = () => {
      modalLoading.value = true;

    axios.post("/Category/save", category.value).then((response) => {

      modalLoading.value = false;
      const data = response.data;

      //data==commonResponse
      if(data.success){
        modalVisible.value = false;
        modalLoading.value = false;

        //重新加载列表
        handleQuery();
      }else{
        message.error(data.message);
      }
    });
  };

    /*编辑*/
    const edit = (record: any) =>{
      modalVisible.value=true;
      category.value = record;
    };


    /*新增*/
    const add = () =>{
      modalVisible.value=true;
      category.value = {};
    };

    /*删除*/
    const handleDelete=(id :number) => {
      axios.delete("/Category/delete/"+id).then((response) => {

        const data = response.data;

        //data==commonResponse
        if(data.success){
          //重新加载列表
          handleQuery();
        }
      });
    };


    onMounted(()=> {
      handleQuery();
    });

    return {

      param,
      category,
      //categorys,
      level1,
      columns,
      loading,


      add,
      edit,
      handleDelete,
      handleQuery,

      modalVisible,
      modalLoading,
      handleModalOK,



    }
  }
});
</script>


